import math
import pyglet
import random

from pyglet.gl import *

from Path import Vector2
from Path.Circle.Circle import Circle


class Particle:

    def __init__(self, **kwargs):
        self.acceleration = Vector2(0, 0.05)
        self.velocity = Vector2(random.uniform(-1, 1), random.uniform(-1, 0))
        self.position = Vector2()
        self.time_to_live = 255

        self.numpoints = 50

        self._vertices = []

        for i in range(self.numpoints):
            angle = math.radians(float(i) / self.numpoints * 360.0)
            x = 10 * math.cos(angle) + self.velocity[0] + 300
            y = 10 * math.sin(angle) + self.velocity[1] + 400
            self._vertices += [x, y]

    def update(self, time=None):
        self.velocity += self.acceleration
        self.position -= self.velocity
        self.time_to_live -= 2

    def draw(self):
        glEnable(GL_BLEND)
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
        glPushMatrix()
        glTranslatef(self.position[0], self.position[1], 0)
        pyglet.graphics.draw(self.numpoints, GL_TRIANGLE_FAN, ('v2f', self._vertices), ('c4B', self.color))
        glPopMatrix()

        self.update()

    @property
    def is_dead(self):
        if self.time_to_live <= 0:
            return True
        return False

    @property
    def color(self):
        return tuple(color for i in range(self.numpoints) for color in (255, 255, 255,  self.time_to_live))